JPH0378694U - - Google Patents

Info

Publication number
JPH0378694U
JPH0378694U JP1989141287U JP14128789U JPH0378694U JP H0378694 U JPH0378694 U JP H0378694U JP 1989141287 U JP1989141287 U JP 1989141287U JP 14128789 U JP14128789 U JP 14128789U JP H0378694 U JPH0378694 U JP H0378694U
Authority
JP
Japan
Prior art keywords
base end
boss portion
diameter sprocket
end boss
sprocket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1989141287U
Other languages
English (en)
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989141287U priority Critical patent/JPH0378694U/ja
Priority to US07/617,810 priority patent/US5062318A/en
Priority to EP90123256A priority patent/EP0431573A1/en
Publication of JPH0378694U publication Critical patent/JPH0378694U/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
    • B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
    • B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
    • B62M9/105—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like involving front sprocket chain-wheels engaged by the chain, belt or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2164—Cranks and pedals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2164—Cranks and pedals
    • Y10T74/2165—Cranks and pedals with attached gear

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)
JP1989141287U 1989-12-05 1989-12-05 Pending JPH0378694U (cs)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1989141287U JPH0378694U (cs) 1989-12-05 1989-12-05
US07/617,810 US5062318A (en) 1989-12-05 1990-11-26 Bicycle gear crank assembly
EP90123256A EP0431573A1 (en) 1989-12-05 1990-12-04 Bicycle gear crank assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989141287U JPH0378694U (cs) 1989-12-05 1989-12-05

Publications (1)

Publication Number Publication Date
JPH0378694U true JPH0378694U (cs) 1991-08-09

Family

ID=15288378

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989141287U Pending JPH0378694U (cs) 1989-12-05 1989-12-05

Country Status (3)

Country Link
US (1) US5062318A (cs)
EP (1) EP0431573A1 (cs)
JP (1) JPH0378694U (cs)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1245431B (it) * 1991-03-04 1994-09-20 Campagnolo Srl Gruppo pedivella-ingranaggi per una bicicletta
JPH04119795U (ja) * 1991-04-11 1992-10-27 株式会社シマノ 自転車用ギアクランク装置
JPH0667289U (ja) * 1993-03-09 1994-09-22 株式会社シマノ 自転車用フロントギヤ装置とこのフロントギヤ装置に使用する自転車用クランク
US5644953A (en) * 1995-09-12 1997-07-08 Cyclone Precision, Inc. Crank assembly for a bicycle
JP2909010B2 (ja) * 1995-09-20 1999-06-23 株式会社シマノ 自転車用ギヤクランク
JP3562883B2 (ja) * 1995-09-29 2004-09-08 株式会社シマノ 自転車後輪用多段ホイール
EP0857137A4 (en) * 1995-11-10 1999-02-03 Yang Ge Ind Co Ltd BICYCLE GEAR HANDLE STOP DEVICE
US5904072A (en) * 1996-12-20 1999-05-18 Shimano Inc. Bicycle crank arm
DE19717463A1 (de) * 1997-04-25 1998-10-29 Sram De Gmbh Kurbelarm mit Mehrfachkettenrad für Fahrräder
DE69806051T2 (de) * 1997-12-09 2003-02-06 Bitz Roland Tretlager ohne totpunkte und vorrichtung mit solchem tretlager und messvorrichtung
US7503239B2 (en) * 2003-01-30 2009-03-17 Shimano Inc. Bicycle crank arm assembly
US20060094550A1 (en) * 2004-11-01 2006-05-04 Shimano Inc. Bicycle crankset
US7530291B2 (en) * 2006-07-13 2009-05-12 Chang Hui Lin Crank device for bicycle
WO2012066396A2 (en) * 2010-06-28 2012-05-24 Twdt Precision Co. , Ltd. Integrated bicycle chainring assembly
CN102582771B (zh) * 2012-02-19 2013-05-01 谢勇 脚踏板顺反旋转驱动的自行车
DE102013200887A1 (de) * 2013-01-21 2014-07-24 Robert Bosch Gmbh Zahnrad für ein Getriebe bzw. ein Zweirad
DE102015203708A1 (de) * 2015-03-02 2016-09-08 Sram Deutschland Gmbh Zahnrad für einen Fahrradantrieb
WO2019171860A1 (ja) * 2018-03-05 2019-09-12 本田技研工業株式会社 自転車用電動アシスト装置及び自転車

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR957569A (cs) * 1950-02-23
GB431528A (en) * 1934-01-30 1935-07-10 Walter Thomas Williams Improvements relating to cycle chain wheels
GB577887A (en) * 1945-02-23 1946-06-04 Walton And Brown Ltd An improved cycle chain-wheel and method of making the same
FR1256502A (fr) * 1954-03-22 1961-03-24 Adapteur pour pédalier de cycle formant plaque de garde
GB921614A (en) * 1958-11-19 1963-03-20 Campagnolo Tullio Improvements in double sprocket pedal crank wheels for bicycles
JPS49132544U (cs) * 1973-03-13 1974-11-14
US4009621A (en) * 1976-03-03 1977-03-01 Shimano Industrial Company, Limited Assembly of chain sprockets and cranks for bicycle
JPS5483244A (en) * 1977-12-16 1979-07-03 Shimano Industrial Co Multiple gear crank for bicycle
DE2861860D1 (en) * 1977-12-28 1982-07-08 Shimano Industrial Co Chain wheel and crank assembly for a cycle
US4425824A (en) * 1981-07-10 1984-01-17 Koch Curtis J Variable torque bicycle sprocket
US4583422A (en) * 1982-09-20 1986-04-22 Winnett Boyd Pedal crank and chain wheel assembly for bicycles
JPS6015074U (ja) * 1983-07-11 1985-02-01 株式会社シマノ 自転車用ギヤクランク
US4793208A (en) * 1985-03-13 1988-12-27 Societe Look Crank-gear for bicycle or similar locomotion vehicle

Also Published As

Publication number Publication date
US5062318A (en) 1991-11-05
EP0431573A1 (en) 1991-06-12

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